ENGINE AR 1278737 - Caterpillar

Illustration 1 g00864571
(1) Install the seal in the bearing bore until dimension (A) is 1.00 0.50 mm (0.039 0.020 inch). Quantity ... 2 (2) Install the seal in the bearing bore until dimension (B) is 1.00 0.50 mm (0.039 0.020 inch). Quantity ... 2 (3) Lubricate the face and the thread of the locknut with 8T-9580 Hydraulic Oil before assembly. Torque for locknut ... 5900 300 N m (4352 221 lb ft) (4) Lubricate the inside diameter and outside diameter of the seals and the ring with clean grease. (5) Rod assembly Diameter of rod ... 84.93 0.030 mm (3.344 0.0012 inch) Plating thickness ... 0.020 + 0.100/-0.006 mm (0.0008 + 0.0039/-0.0002 inch) (6) Bore of cylinder ... 120.00 .10 mm (4.724 0.004 inch) (7) Bore of head ... 85.730 .030 mm (3.375 0.001 inch)Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward. (8) 163-3748 Sleeve Bearing Outside diameter ... 85.102 0.011 mm (3.3505 0.0004 inch) Inside diameter ... 70.230 0.020 mm (2.7650 0.0008 inch) Install the bearing in the bearing bore. ... 7.35 0.30 mm (0.289 0.012 inch) (9) 163-3751 Sleeve Bearing Outside diameter ... 95.180 0.013 mm (3.7472 0.0005 inch) Inside diameter ... 80.25 0.02 mm (3.159 0.001 inch) Install the bearing in the bearing bore. ... 7.50 0.30 mm (0.295 0.012 inch) (10) Lubricate the sealing lip slightly with the lubricant that is being sealed. (11) Apply 7M-7456 Bearing Mount Compound to the wiper seal groove prior to assembly.